Apparatus and method for producing asphalt-aggregate composition

Details Apparatus and method for producing asphalt-aggregate composition Apparatus and method for producing asphalt-aggregate composition

1976-08-19

1978-08-08

Jenkins, Robert W.

Agitating

Mortar mixer type

Methods

366 25, 366147, B28C 520

Patent

active

041061101

ABSTRACT:
Asphalt-aggregate compositions are prepared in an elongated cylindrical drum having a plurality of hollow heated and spaced pipes extending therealong. Aggregate and asphalt are introduced into the drum at one end, the drum is rotated thereby mixing and heating the components and the finished composition is withdrawn at the other drum end. The apparatus includes a heating chamber at one end of the drum which communicates with the hollow pipe interiors and includes means for venting at least a portion of unburned hydrocarbon volatiles, smoke and gaseous mixtures from the heated composition into the heating chamber for further combustion while steam or water vapor are vented from the other end of the interior drum chamber.

REFERENCES:
patent: 1187959 (1916-06-01), Ash
patent: 2188798 (1940-01-01), Smith
patent: 3693945 (1972-09-01), Brock
patent: 3737149 (1973-06-01), Muntzer

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